Re: 6502 core / 128 mode (re: J-Board) (fwd)

From: John (
Date: 2001-03-12 14:49:30

Professor Dredd writes:

>Honestly, I don't know exactly why she chose to limit
>it to 16 Mb video RAM. That's only a 24-bit register.
>I think I'd have gone for 32-bits, assuming the board
>could electrically support that much RAM.

If it can only be used for video, then 16MB is a LOT.  A 1600x1200 32 bit
frame buffer requires 7.5MB.  You can double-buffer that and still have 16
times the C64's memory left over.  1024x768x24 is only 2.25MB.

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